Four-function scientific
[计] 四功能科学用计算器
🧩 词语组成解析
four
[fɔr]
num. 四;四个;第四;
n. 四的;四个一组之物;
🗣️ 情景例句
have become good friends, haven't you?
成了好朋友，不是吗？
Don't forget to write your return address on the letter.
不要忘记在信封上写你的回邮地址。
Yet that is a rather trivial aspect of the matter.
这只是问题的一个次要的侧面。